1. Optic atrophy and papilledema;Sadun,1993
2. Positioning of patients for operations;Vandam,1993
3. Optic neuropathy of recurrent blood loss;Chisholm;Br J Ophthalmol,1969
4. Amaurosis due to massive gastrointestinal hemorrhage;Lazaro;Am J Gastroenterol,1971
5. Amaurosis following blood loss;Presencia;Ophthalmologica (Basel),1985